270 lines
6.9 KiB
Perl
270 lines
6.9 KiB
Perl
# SNMP::Info::Layer2::Airespace
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# $Id$
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#
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# Copyright (c) 2008 Eric Miller
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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package SNMP::Info::Layer2::Airespace;
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use strict;
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use Exporter;
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use SNMP::Info::Bridge;
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use SNMP::Info::CDP;
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use SNMP::Info::Airespace;
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@SNMP::Info::Layer2::Airespace::ISA
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= qw/SNMP::Info::Airespace SNMP::Info::CDP SNMP::Info::Bridge Exporter/;
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@SNMP::Info::Layer2::Airespace::EXPORT_OK = qw//;
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use vars qw/$VERSION %FUNCS %GLOBALS %MIBS %MUNGE/;
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$VERSION = '2.09';
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%MIBS = (
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%SNMP::Info::MIBS, %SNMP::Info::Bridge::MIBS,
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%SNMP::Info::CDP::MIBS, %SNMP::Info::Airespace::MIBS,
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'AIRESPACE-SWITCHING-MIB' => 'agentInterfaceVlanId',
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'CISCO-LWAPP-DOT11-CLIENT-MIB' => 'cldcClientCurrentTxRateSet',
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);
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%GLOBALS = (
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%SNMP::Info::GLOBALS, %SNMP::Info::Bridge::GLOBALS,
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%SNMP::Info::CDP::GLOBALS, %SNMP::Info::Airespace::GLOBALS,
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);
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%FUNCS = (
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%SNMP::Info::FUNCS, %SNMP::Info::Bridge::FUNCS,
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%SNMP::Info::CDP::FUNCS, %SNMP::Info::Airespace::FUNCS,
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# This needs to be cleaned up, but for now we pretend to
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# have the CISCO-DOT11-MIB for signal strengths, etc.
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'cd11_sigstrength' => 'bsnMobileStationRSSI', # kinda
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'cd11_sigqual' => 'bsnMobileStationSnr', # kinda
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'cd11_rxbyte' => 'bsnMobileStationBytesReceived',
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'cd11_txbyte' => 'bsnMobileStationBytesSent',
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'cd11_rxpkt' => 'bsnMobileStationPacketsReceived',
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'cd11_txpkt' => 'bsnMobileStationPacketsSent',
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'cd11_txrate' => 'cldcClientCurrentTxRateSet',
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'cd11_rateset' => 'cldcClientDataRateSet',
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);
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%MUNGE = (
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%SNMP::Info::MUNGE, %SNMP::Info::Bridge::MUNGE,
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%SNMP::Info::CDP::MUNGE, %SNMP::Info::Airespace::MUNGE,
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'cd11_rxpkt' => \&munge_64bits,
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'cd11_txpkt' => \&munge_64bits,
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'cd11_txrate' => \&munge_cd11_txrate,
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'cd11_rateset' => \&munge_cd11_rateset,
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);
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sub os {
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return 'cisco';
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}
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sub vendor {
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return 'cisco';
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}
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sub model {
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my $airespace = shift;
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my $model = $airespace->airespace_model();
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return unless defined $model;
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return $model;
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}
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# vlan:
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# AIRESPACE-SWITCHING-MIB::agentInterfaceVlanId
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sub cd11_mac {
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my $airespace = shift;
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my $cd11_sigstrength = $airespace->cd11_sigstrength();
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my $ret = {};
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foreach my $idx ( keys %$cd11_sigstrength ) {
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my $mac = join( ":", map { sprintf "%02x", $_ } split /\./, $idx );
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$ret->{$idx} = $mac
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}
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return $ret;
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}
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sub munge_cd11_txrate {
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my $rate = shift;
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if ( $rate ) {
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return [ $rate * 1.0 ];
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} else {
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return [ 0.0 ];
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}
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}
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sub munge_cd11_rateset {
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my $rates = shift;
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return [ map { $_ * 1.0 } split /,/, $rates ];
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}
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sub munge_64bits {
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# The controller sometimes hands off a ridiculous value for packets.
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# Just truncate it to 32 bits.
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my $value = shift;
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return $value & 0xffffffff;
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}
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1;
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__END__
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=head1 NAME
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SNMP::Info::Layer2::Airespace - SNMP Interface to Cisco (Airespace) Wireless
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Controllers
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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#Let SNMP::Info determine the correct subclass for you.
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my $airespace = new SNMP::Info(
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AutoSpecify => 1,
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Debug => 1,
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DestHost => 'myswitch',
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Community => 'public',
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Version => 2
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)
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or die "Can't connect to DestHost.\n";
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my $class = $airespace->class();
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print " Using device sub class : $class\n";
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=head1 DESCRIPTION
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Provides abstraction to the configuration information obtainable from
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Cisco (Airespace) Wireless Controllers through SNMP.
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For speed or debugging purposes you can call the subclass directly, but not
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after determining a more specific class using the method above.
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my $airespace = new SNMP::Info::Layer2::Airespace(...);
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=head2 Inherited Classes
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=over
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=item SNMP::Info::Airespace
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=item SNMP::Info::CDP
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=item SNMP::Info::Bridge
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=back
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=head2 Required MIBs
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=over
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=item Inherited Classes' MIBs
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See L<SNMP::Info::Airespace/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::CDP/"Required MIBs"> for its own MIB requirements.
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See L<SNMP::Info::Bridge/"Required MIBs"> for its own MIB requirements.
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=back
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=head1 GLOBALS
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These are methods that return scalar value from SNMP
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=over
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=item $airespace->vendor()
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Returns 'cisco'
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=item $airespace->os()
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Returns 'cisco'
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=item $airespace->model()
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(C<agentInventoryMachineModel>)
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=back
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=head2 Global Methods imported from SNMP::Info::Airespace
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See documentation in L<SNMP::Info::Airespace/"GLOBALS"> for details.
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=head2 Global Methods imported from SNMP::Info::CDP
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See documentation in L<SNMP::Info::CDP/"GLOBALS"> for details.
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=head2 Globals imported from SNMP::Info::Bridge
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See documentation in L<SNMP::Info::Bridge/"GLOBALS"> for details.
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=head1 TABLE METHODS
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These are methods that return tables of information in the form of a reference
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to a hash.
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=over
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=item cd11_mac()
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=back
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=head2 Overrides
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=head2 Table Methods imported from SNMP::Info::Airespace
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See documentation in L<SNMP::Info::Airespace/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::CDP
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See documentation in L<SNMP::Info::CDP/"TABLE METHODS"> for details.
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=head2 Table Methods imported from SNMP::Info::Bridge
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See documentation in L<SNMP::Info::Bridge/"TABLE METHODS"> for details.
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=head1 MUNGES
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=over
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=item munge_64bits()
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=item munge_cd11_rateset()
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=item munge_cd11_txrate()
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=back
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=cut
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